Kconfig 9.0 KB

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  1. # sparc64 configuration
  2. mainmenu "Linux Kernel Configuration for 64-bit SPARC"
  3. config SPARC
  4. bool
  5. default y
  6. select HAVE_OPROFILE
  7. select HAVE_KPROBES
  8. select HAVE_KRETPROBES
  9. config SPARC64
  10. bool
  11. default y
  12. select HAVE_FUNCTION_TRACER
  13. select HAVE_IDE
  14. select HAVE_LMB
  15. select HAVE_ARCH_KGDB
  16. select USE_GENERIC_SMP_HELPERS if SMP
  17. select HAVE_ARCH_TRACEHOOK
  18. select ARCH_WANT_OPTIONAL_GPIOLIB
  19. select RTC_CLASS
  20. select RTC_DRV_M48T59
  21. select RTC_DRV_CMOS
  22. select RTC_DRV_BQ4802
  23. select RTC_DRV_SUN4V
  24. select RTC_DRV_STARFIRE
  25. config GENERIC_TIME
  26. bool
  27. default y
  28. config GENERIC_CMOS_UPDATE
  29. bool
  30. default y
  31. config GENERIC_CLOCKEVENTS
  32. bool
  33. default y
  34. config GENERIC_GPIO
  35. bool
  36. help
  37. Generic GPIO API support
  38. config 64BIT
  39. def_bool y
  40. config MMU
  41. bool
  42. default y
  43. config IOMMU_HELPER
  44. bool
  45. default y
  46. config QUICKLIST
  47. bool
  48. default y
  49. config STACKTRACE_SUPPORT
  50. bool
  51. default y
  52. config LOCKDEP_SUPPORT
  53. bool
  54. default y
  55. config ARCH_MAY_HAVE_PC_FDC
  56. bool
  57. default y
  58. config ARCH_HAS_ILOG2_U32
  59. bool
  60. default n
  61. config ARCH_HAS_ILOG2_U64
  62. bool
  63. default n
  64. config AUDIT_ARCH
  65. bool
  66. default y
  67. config HAVE_SETUP_PER_CPU_AREA
  68. def_bool y
  69. config ARCH_NO_VIRT_TO_BUS
  70. def_bool y
  71. config OF
  72. def_bool y
  73. config GENERIC_HARDIRQS_NO__DO_IRQ
  74. bool
  75. def_bool y
  76. source "init/Kconfig"
  77. source "kernel/Kconfig.freezer"
  78. menu "Processor type and features"
  79. choice
  80. prompt "Kernel page size"
  81. default SPARC64_PAGE_SIZE_8KB
  82. config SPARC64_PAGE_SIZE_8KB
  83. bool "8KB"
  84. help
  85. This lets you select the page size of the kernel.
  86. 8KB and 64KB work quite well, since SPARC ELF sections
  87. provide for up to 64KB alignment.
  88. If you don't know what to do, choose 8KB.
  89. config SPARC64_PAGE_SIZE_64KB
  90. bool "64KB"
  91. endchoice
  92. config SECCOMP
  93. bool "Enable seccomp to safely compute untrusted bytecode"
  94. depends on PROC_FS
  95. default y
  96. help
  97. This kernel feature is useful for number crunching applications
  98. that may need to compute untrusted bytecode during their
  99. execution. By using pipes or other transports made available to
  100. the process as file descriptors supporting the read/write
  101. syscalls, it's possible to isolate those applications in
  102. their own address space using seccomp. Once seccomp is
  103. enabled via /proc/<pid>/seccomp, it cannot be disabled
  104. and the task is only allowed to execute a few safe syscalls
  105. defined by each seccomp mode.
  106. If unsure, say Y. Only embedded should say N here.
  107. source kernel/Kconfig.hz
  108. config HOTPLUG_CPU
  109. bool "Support for hot-pluggable CPUs"
  110. depends on SMP
  111. select HOTPLUG
  112. help
  113. Say Y here to experiment with turning CPUs off and on. CPUs
  114. can be controlled through /sys/devices/system/cpu/cpu#.
  115. Say N if you want to disable CPU hotplug.
  116. config GENERIC_HARDIRQS
  117. bool
  118. default y
  119. source "kernel/time/Kconfig"
  120. config SMP
  121. bool "Symmetric multi-processing support"
  122. help
  123. This enables support for systems with more than one CPU. If you have
  124. a system with only one CPU, say N. If you have a system with more than
  125. one CPU, say Y.
  126. If you say N here, the kernel will run on single and multiprocessor
  127. machines, but will use only one CPU of a multiprocessor machine. If
  128. you say Y here, the kernel will run on single-processor machines.
  129. On a single-processor machine, the kernel will run faster if you say
  130. N here.
  131. If you don't know what to do here, say N.
  132. config NR_CPUS
  133. int "Maximum number of CPUs (2-1024)"
  134. range 2 1024
  135. depends on SMP
  136. default "64"
  137. source "drivers/cpufreq/Kconfig"
  138. config US3_FREQ
  139. tristate "UltraSPARC-III CPU Frequency driver"
  140. depends on CPU_FREQ
  141. select CPU_FREQ_TABLE
  142. help
  143. This adds the CPUFreq driver for UltraSPARC-III processors.
  144. For details, take a look at <file:Documentation/cpu-freq>.
  145. If in doubt, say N.
  146. config US2E_FREQ
  147. tristate "UltraSPARC-IIe CPU Frequency driver"
  148. depends on CPU_FREQ
  149. select CPU_FREQ_TABLE
  150. help
  151. This adds the CPUFreq driver for UltraSPARC-IIe processors.
  152. For details, take a look at <file:Documentation/cpu-freq>.
  153. If in doubt, say N.
  154. config US3_MC
  155. tristate "UltraSPARC-III Memory Controller driver"
  156. default y
  157. help
  158. This adds a driver for the UltraSPARC-III memory controller.
  159. Loading this driver allows exact mnemonic strings to be
  160. printed in the event of a memory error, so that the faulty DIMM
  161. on the motherboard can be matched to the error.
  162. If in doubt, say Y, as this information can be very useful.
  163. # Global things across all Sun machines.
  164. config GENERIC_LOCKBREAK
  165. bool
  166. default y
  167. depends on SMP && PREEMPT
  168. config RWSEM_GENERIC_SPINLOCK
  169. bool
  170. config RWSEM_XCHGADD_ALGORITHM
  171. bool
  172. default y
  173. config GENERIC_FIND_NEXT_BIT
  174. bool
  175. default y
  176. config GENERIC_HWEIGHT
  177. bool
  178. default y if !ULTRA_HAS_POPULATION_COUNT
  179. config GENERIC_CALIBRATE_DELAY
  180. bool
  181. default y
  182. choice
  183. prompt "SPARC64 Huge TLB Page Size"
  184. depends on HUGETLB_PAGE
  185. default HUGETLB_PAGE_SIZE_4MB
  186. config HUGETLB_PAGE_SIZE_4MB
  187. bool "4MB"
  188. config HUGETLB_PAGE_SIZE_512K
  189. bool "512K"
  190. config HUGETLB_PAGE_SIZE_64K
  191. depends on !SPARC64_PAGE_SIZE_64KB
  192. bool "64K"
  193. endchoice
  194. endmenu
  195. config NUMA
  196. bool "NUMA support"
  197. depends on SMP
  198. config NODES_SHIFT
  199. int
  200. default "4"
  201. depends on NEED_MULTIPLE_NODES
  202. # Some NUMA nodes have memory ranges that span
  203. # other nodes. Even though a pfn is valid and
  204. # between a node's start and end pfns, it may not
  205. # reside on that node. See memmap_init_zone()
  206. # for details.
  207. config NODES_SPAN_OTHER_NODES
  208. def_bool y
  209. depends on NEED_MULTIPLE_NODES
  210. config ARCH_POPULATES_NODE_MAP
  211. def_bool y
  212. config ARCH_SELECT_MEMORY_MODEL
  213. def_bool y
  214. config ARCH_SPARSEMEM_ENABLE
  215. def_bool y
  216. select SPARSEMEM_VMEMMAP_ENABLE
  217. config ARCH_SPARSEMEM_DEFAULT
  218. def_bool y
  219. source "mm/Kconfig"
  220. config ISA
  221. bool
  222. config ISAPNP
  223. bool
  224. config EISA
  225. bool
  226. config MCA
  227. bool
  228. config PCMCIA
  229. tristate
  230. help
  231. Say Y here if you want to attach PCMCIA- or PC-cards to your Linux
  232. computer. These are credit-card size devices such as network cards,
  233. modems or hard drives often used with laptops computers. There are
  234. actually two varieties of these cards: the older 16 bit PCMCIA cards
  235. and the newer 32 bit CardBus cards. If you want to use CardBus
  236. cards, you need to say Y here and also to "CardBus support" below.
  237. To use your PC-cards, you will need supporting software from David
  238. Hinds' pcmcia-cs package (see the file <file:Documentation/Changes>
  239. for location). Please also read the PCMCIA-HOWTO, available from
  240. <http://www.tldp.org/docs.html#howto>.
  241. To compile this driver as modules, choose M here: the
  242. modules will be called pcmcia_core and ds.
  243. config SBUS
  244. bool
  245. default y
  246. config SBUSCHAR
  247. bool
  248. default y
  249. config SUN_AUXIO
  250. bool
  251. default y
  252. config SUN_IO
  253. bool
  254. default y
  255. config SUN_LDOMS
  256. bool "Sun Logical Domains support"
  257. help
  258. Say Y here is you want to support virtual devices via
  259. Logical Domains.
  260. config PCI
  261. bool "PCI support"
  262. select ARCH_SUPPORTS_MSI
  263. help
  264. Find out whether your system includes a PCI bus. PCI is the name of
  265. a bus system, i.e. the way the CPU talks to the other stuff inside
  266. your box. If you say Y here, the kernel will include drivers and
  267. infrastructure code to support PCI bus devices.
  268. config PCI_DOMAINS
  269. def_bool PCI
  270. config PCI_SYSCALL
  271. def_bool PCI
  272. source "drivers/pci/Kconfig"
  273. config SUN_OPENPROMFS
  274. tristate "Openprom tree appears in /proc/openprom"
  275. help
  276. If you say Y, the OpenPROM device tree will be available as a
  277. virtual file system, which you can mount to /proc/openprom by "mount
  278. -t openpromfs none /proc/openprom".
  279. To compile the /proc/openprom support as a module, choose M here: the
  280. module will be called openpromfs. If unsure, choose M.
  281. menu "Executable file formats"
  282. source "fs/Kconfig.binfmt"
  283. config COMPAT
  284. bool
  285. default y
  286. select COMPAT_BINFMT_ELF
  287. config SYSVIPC_COMPAT
  288. bool
  289. depends on COMPAT && SYSVIPC
  290. default y
  291. endmenu
  292. config SCHED_SMT
  293. bool "SMT (Hyperthreading) scheduler support"
  294. depends on SMP
  295. default y
  296. help
  297. SMT scheduler support improves the CPU scheduler's decision making
  298. when dealing with SPARC cpus at a cost of slightly increased overhead
  299. in some places. If unsure say N here.
  300. config SCHED_MC
  301. bool "Multi-core scheduler support"
  302. depends on SMP
  303. default y
  304. help
  305. Multi-core scheduler support improves the CPU scheduler's decision
  306. making when dealing with multi-core CPU chips at a cost of slightly
  307. increased overhead in some places. If unsure say N here.
  308. source "kernel/Kconfig.preempt"
  309. config CMDLINE_BOOL
  310. bool "Default bootloader kernel arguments"
  311. config CMDLINE
  312. string "Initial kernel command string"
  313. depends on CMDLINE_BOOL
  314. default "console=ttyS0,9600 root=/dev/sda1"
  315. help
  316. Say Y here if you want to be able to pass default arguments to
  317. the kernel. This will be overridden by the bootloader, if you
  318. use one (such as SILO). This is most useful if you want to boot
  319. a kernel from TFTP, and want default options to be available
  320. with having them passed on the command line.
  321. NOTE: This option WILL override the PROM bootargs setting!
  322. source "net/Kconfig"
  323. source "drivers/Kconfig"
  324. source "drivers/sbus/char/Kconfig"
  325. source "fs/Kconfig"
  326. source "arch/sparc64/Kconfig.debug"
  327. source "security/Kconfig"
  328. source "crypto/Kconfig"
  329. source "lib/Kconfig"